Toranomon Hills is a skyscraper complex project built by Mori Building in the Toranomon district of Minato, Tokyo, Japan. Designed by Nihon Sekkei, it is built around the new Loop Road No. 2, a surface artery that will connect the Shinbashi and Toranomon districts. Its highest point is 255.5 metres, by which measure it is the tallest building in Tokyo. However, its building height is 247 metres, by which measure it will be the second-tallest building in Tokyo after Midtown Tower.